六年級解方程300最好有答案。

X- 2/7X=3/4 2X + 2/5= 3/5 4χ-6=38

70% X+20% X = 3.6 X×3/5 = 20×1/4 25%+10X = 4/5

X-15% X = 68 X+3/8X = 121 5X-3×5/21 = 5/7

2/3x÷1/4 = 12 6X+5 = 13.4 6X+5 = 13.4

x-0.8x = 16+6 20 x–8.5 = 1.5

X+25% X = 90 4x-3×9 = 29 X-0.125 X = 8

x-0.8x = 16+6 20 x–8.5 = 1.5 x-4/5x-4 = 21

4x-3 ×9 = 29 4χ-6=38 X+25%X=90

X-0.125 X = 8 5 X-2.4×5 = 8 X-0.8x = 16+6

70% x+20% x = 3.625%+10x = 4/5x-15% x = 68太難玩了。先算這些吧。如果有幫助，請采納。謝謝妳

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